Electronics Forum: 0028 (Page 1 of 2)

Insulated Metal Substrate (IMS) documentation

Electronics Forum | Fri Jan 21 19:20:31 EST 2022 | SMTA-64304163

Can someone who designs IMS printed circuit boards advise us on how to document the materials on the drawing. We are looking for applicable specifications to reference along with the physical specs. The current design is 066 +/-.006. .059 al, .0028

Is test vias a good idea??

Electronics Forum | Mon Jan 31 08:30:41 EST 2005 | davef

Yes, probing via is perfectly acceptable. Via: * Pad diameter is 0.028 inch * Via pitch minimum is 0.50 inch ... all of which is fairly common, even when probing test pads. [Your English is fine, at least as good a half the English speakers here.]

GDM 0603 nozzle type?

Electronics Forum | Tue Mar 01 03:25:33 EST 2005 | bing

We are using a GDM with a linear piston pump fitted to dispence adhesive on 0603's. Use Universal part number 43273801 needle with a 42346504 piston. The single needle dimentions are 0.010 ID, 0.028 OD, 0.005 stand off

Wave Soldering 0.050 pitch connector

Electronics Forum | Wed Oct 25 13:42:32 EDT 2000 | Chris McDonald

I was wondering IF anybody has has success wave soldering a 50 (2 rows of 25) pin 0.050" pitch thru-hole connector. I seem to be getting alot of bridging no matter what I do. Is there a design spec for the size and shape of pads? The pads on the pcb

FUJI Error Code

Electronics Forum | Mon Jul 14 11:09:59 EDT 2003 | samaniegocesar

Hello to all. I have problems with IP1 Fuji machine, the machine was working properly and suddenly appear the erroc code 000C error task 0028 and error address F92228A0, I turn off and On again, I erase the memory but I have the same prblem, I can n

Re: What is spec on stretch????

Electronics Forum | Fri Apr 16 17:19:59 EDT 1999 | Dave F

| | Hi, | | I just cheesed my previous attempt at this. I looked through IPC 600 and couldn't find anything relating to dimensional stability of a board with regard to stretch. I found bow and twist but nothing on size. I have a PCB that is .030"

IPC Spec for PTH Hole Size Tolerance

Electronics Forum | Wed Apr 10 22:23:48 EDT 2002 | davef

IPC-6012A, 3.4.1 has words to the effect of: Hole size tolerance and hole pattern accuracy shall be as specified in the procurement documentation. Our fab says: Standard Drill Sizes Drill Number ||Hole Size ||Finished Hole Size 70 ||0.028" ||0.02

IPC Spec for PTH Hole Size Tolerance

Electronics Forum | Wed Apr 10 22:24:30 EDT 2002 | davef

IPC-6012A, 3.4.1 has words to the effect of: Hole size tolerance and hole pattern accuracy shall be as specified in the procurement documentation. Our fab says: Standard Drill Sizes Drill Number ||Hole Size ||Finished Hole Size 70 ||0.028" ||0.02

Copper Finishes versus Layer Thickness

Electronics Forum | Thu Jan 04 12:51:37 EST 2007 | Board House

Hi Chunks, Starting copper on outer layer with .0007 is 1/2 oz. copper foil. so if starting copper is .0007 and your Board house will plate an additional .0021 mils of copper. which will give you a finished copper weight of .0028 Mils or (2 oz.) Y

Communication problem

Electronics Forum | Thu Aug 29 11:56:21 EDT 2013 | kdc45

Sent program to a CP43 and the part data was not recognized. Machine message to power down and back up, so we did so. On power up, screen appeared with the following: OS Error Err Code 0001 Err task 0028 Err para FFFF Ex stat 0151 Err adrs CC400000

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